diff --git a/src/framework/operator.cpp b/src/framework/operator.cpp
index 2b9e1d04514f2da304b3a35af81d21442817f93d..611b134eaab7376dfba9ef3294f8fa14bf13e0da 100644
--- a/src/framework/operator.cpp
+++ b/src/framework/operator.cpp
@@ -64,8 +64,7 @@ void OperatorBase<Dtype>::Run() {
   for (const auto key : input_keys) {
     auto var_vec_in = inputs_.at(key);
     for (int i = 0; i < var_vec_in.size(); ++i) {
-      DLOG << var_vec_in[i];
-      auto vari = this->scope_->FindVar("input");
+      auto vari = this->scope_->FindVar(var_vec_in[i]);
       if (vari->IsInitialized()) {
         const Tensor *tensor = vari->template Get<framework::LoDTensor>();
         if (tensor) DLOG << type_ << " input- " << key << "=" << *tensor;